45150321 has 4 divisors (see below), whose sum is σ = 60200432. Its totient is φ = 30100212.

The previous prime is 45150319. The next prime is 45150331. The reversal of 45150321 is 12305154.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 45150321 - 2¹ = 45150319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45150331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7525051 + ... + 7525056.

It is an arithmetic number, because the mean of its divisors is an integer number (15050108).

Almost surely, 2^45150321 is an apocalyptic number.

It is an amenable number.

45150321 is a deficient number, since it is larger than the sum of its proper divisors (15050111).

45150321 is a wasteful number, since it uses less digits than its factorization.

45150321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15050110.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 45150321 is about 6719.3988570407. The cubic root of 45150321 is about 356.0849463789.

Adding to 45150321 its reverse (12305154), we get a palindrome (57455475).

The spelling of 45150321 in words is "forty-five million, one hundred fifty thousand, three hundred twenty-one".